Numbers k such that the sum of the first k odd primes is divisible by k.

Terms

a(0) =1a(1) =2a(2) =3a(3) =60a(4) =73a(5) =357a(6) =690a(7) =970a(8) =1560a(9) =1844a(10) =2016a(11) =2071a(12) =3267a(13) =7034a(14) =22388a(15) =37244a(16) =137166a(17) =808334a(18) =1126996a(19) =3420839a(20) =4971830a(21) =14647946a(22) =15553569a(23) =21957090a(24) =31327140a(25) =90514444a(26) =98576118a(27) =204198604a(28) =210662116a(29) =553825420